void Start()
{
dissolve = GetComponent <MeshRenderer>().material;
dissolve.SetFloat("_DissolveAmount", 1f);
volume = GetComponentInChildren <SLiquid_Volume>();
volume.liquidLevel = 0f;
}
protected void Update()
{
if (isEmitting)
{
splashParticles.startColor = liquidColor;
// Raycast straight down from liquid dispenser and set the particle lifetime accordingly
liquidJetRay.origin = transform.TransformPoint(spillParticleSystem.shape.position);
if (Physics.Raycast(liquidJetRay, out liquidJetImpact, Mathf.Infinity, layerMask, QueryTriggerInteraction.Collide))
{
float distance = liquidJetImpact.distance;
// Did we hit a mug? Check if the point is inside and fill it
Transform root = liquidJetImpact.collider.transform.root;
if (root.CompareTag("Vessel"))
{
SLiquid_Volume volume = root.GetComponentInChildren <SLiquid_Volume>();
Collider volumeInside = volume.GetComponent <Collider>();
if (CheckInsideCollider(volumeInside, liquidJetImpact.point))
{
Color vesselLiquidColor = volume.Fill(fillRate * Time.deltaTime, liquidColor);
// If the vessel is not empty raycast against the liquid level plane and update distance if point is still inside the mug
if (!volume.IsEmpty())
{
if (volume.cutPlane.Raycast(liquidJetRay, out float planeDistance) && CheckInsideCollider(volumeInside, liquidJetRay.GetPoint(planeDistance)))
{
distance = planeDistance;
// We hit the liquid vessel so update the color of generated splashes
splashParticles.startColor = vesselLiquidColor;
}
}
}
}
// Set the startLifetime for particles so that they expire at the impact point
// t = SQRT(2 * s / a)
spillParticles.startLifetime = Mathf.Sqrt((2f * distance) / (Physics.gravity.magnitude * spillParticles.gravityModifierMultiplier));
}
// Emit particles with new lifetime set
if (!spillParticleSystem.isPlaying)
{
// Make sure we emit at least some particles for short bursts when spilling on activation
spillParticleSystem.Emit((int)(spillParticleSystem.emission.rateOverTime.constant / 2f));
spillParticleSystem.Play();
}
}
}
